Question: Who was the person that was the child of Alexander Pushkin?
Paraphrase: who conduit for found in or taking after to body of water of Aachen?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P40 wd:Q7200 . ?sbj wdt:P31 wd:Q5 } 
Answer: Nadezhda Pushkina, Sergey Pushkin